rename `tools` to `packages` to follow convention

The convention is to use `pkgs` or `packages` for overlays and
definition of custom packages. Since I'm already using `pkg` for go,
I prefer to use `packages` for my scripts.

1 files changed, 32 insertions, 0 deletions

diff --git a/packages/ipconverter/ipconverter.py b/packages/ipconverter/ipconverter.py
new file mode 100755
index 0000000..6b01d5d
--- /dev/null
+++ b/packages/ipconverter/ipconverter.py
@@ -0,0 +1,32 @@
+#!/usr/bin/env python3
+
+import argparse
+import ipaddress
+import sys
+
+argp = argparse.ArgumentParser()
+argp.add_argument("infile", nargs="?", type=argparse.FileType("r"), default=sys.stdin)
+args = argp.parse_args()
+
+# read the input, filter out commented lines and remove new line characters
+string_ips = [
+    ip
+    for line in args.infile.readlines()
+    if (ip := line.strip()) and not ip.startswith("#")
+]
+
+# convert entries to int if the string is a numeric value
+ips = list(map(lambda n: int(n) if n.isnumeric() else n, string_ips))
+
+
+def conv(n):
+    """helper function to convert based on the name of the program"""
+    return int(n) if argp.prog == "ip2int" else str(n)
+
+
+for ip in ips:
+    try:
+        r = conv(ipaddress.ip_address(ip))
+        print(f"{ip:15} → {r:15}")
+    except Exception as e:
+        print(f"error: {e}", file=sys.stderr)